Kum-Nji was a four-year starter and two-time captain of the Tomcat football team. Kum-Nji was selected as an all-Presidents' Athletic Conference (PAC) performer four times, earning first-team honors from his sophomore season through his senior season. A biology major, Kum-Nji was a stanout in the classroom, earning the William B. Frank Minority Scholarship in the physical sciences. The Scholarship is a four-year, tuition-free scholarship awarded to an incoming freshman minority who has a strong foundation in the sciences and/or mathematics, ranks in the top 40 percent of their graduating class and has an overall GPA of 3.0 or higher. After the 2004 season, he was named to the all-South region third team defensive team by the Football Gazette and earned a spot on the College Sports Information Directors of America (CoSIDA) District II Academic all-America second team. Kum-Nji is the school's career record-holder in sacks (27.0) and is second all-time in tackles for loss (45.5).